html,body, main{
    height: 100%;
}
main {
    width: 100%;
    height: 100%;
    background: url(../images/course.png);
}
header {
    position: fixed;
    width: 100%;
    z-index: 2;
}
.banner {
    position: relative;
    
}
.banner > div{
    width: 425px;
    height: 300px;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
}
.banner span {
    height: 200px;
    width: 200px;
    background: url(../images/course_icon.png) -5px -15px no-repeat;
}
.banner .wrap {
    margin: 40px 0 0 40px;
}
.banner .wrap p {
    color: #fff;
}
.banner span, .banner .wrap {
    float: left;
}
.banner .title {
    font-size: 3rem;
    font-weight: bold;
}
.banner .desc {
    width: 170px;
    margin-top: 20px;
    font-size: 2rem;
}


/*全屏轮播*/
.nav {
    position: fixed;
    right: 5%;
    top: 50%;
    width: 20px;
}
.nav li {
    width: 10px;
    height: 10px;
    background: #000;
    border-radius: 50%;
    margin-bottom: 10px;
    cursor: pointer;
    text-align: right;
}
.nav li.active {
    background: none;
    width: 10px;
    height: 10px;
    border: 1px solid #000;
}
.gallery {
    transition: top 1s ease-in-out;
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
}
.slideBox {
    overflow: hidden;
    position: relative;
}
.box2 span {
    background: url(../images/course_icon.png) 0px -352px no-repeat;;
}
.box3 span {
    background: url(../images/course_icon.png) 0px -693px no-repeat;;
}
.box4 span {
    background: url(../images/course_icon.png) 0px -1058px no-repeat;;
}
.box5 span {
    background: url(../images/course_icon.png) 0px -1396px no-repeat;;
}
.box6 span {
    background: url(../images/course_icon.png) 0px -1779px no-repeat;;
}
.box7 {
    color: #fff;
    text-align: center;
}
.box7 .title {
    font-size: 4rem;
    letter-spacing: 3px;
}
.box7 .desc {
    width: auto;
    margin-top: 10px
}
.box7 em {
    color: #333;
}
.box7 button {
    width: 195px;
    height: 50px;
    border: 2px solid #fff;
    border-radius: 6px;
    background: none;
    margin-top: 30px;
    font-size: 2rem;
}

.pop {
        display: none;
}
.pop .service_ {
    background: none;
    color: #bbb;
    font-size: 1.5rem;
    padding:0;

}
.pop .service_ button {
    width: 250px;
    height: 45px;
    background: #ffb400;
    border-radius: 4px;
    color: #fff;
    font-size: 2rem;
}
.pop {
    width: 500px;
    padding: 15px;
    background: rgba(0,0,0,.7);
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    margin: 0 auto;
    margin-top: 20px;
    overflow: hidden;
    box-sizing: border-box;
    height: 742px;

}
.pop li {
    position: relative;
}
.pop .error {
    position: absolute;
    right: -10px;
    top: 15px;
}
.pop i {
    color: #adadad;
    font-size: 2rem;
    width: 100%;
    margin-top: 23px;
    text-align: center;
}
.clear {
    position: absolute;
    right: 15px;
    font-size: 2rem;
    color: #fff;
    margin: 15px 0;
    cursor: pointer;
}
.pop p {
    background: #f2ab00;
    color: #fff;
    font-size: 2rem;
    text-align: center;
    padding: 15px 0;
}
.pop > div {
    width: 100%;
    padding-bottom: 25px;
    background: #fff;
    position: relative;
}
.pop > div > div {
    padding: 30px;
    padding-bottom: 15px;
}
.pop > div textarea {
    height: 112px;
}
.pop > div textarea,.pop > div input  {
    width: 100%;
    border-radius: 6px;
    border: 1px solid #ccc;
    text-indent: 15px;
}
.pop > div input {
    height: 50px;
    margin-bottom: 10px;
    border-radius: 6px;
    
}
.budget span input {
    width: 90%;
    border: none;
}
.pop .budget span{
    width: 100%;
    height: 50px;
    border-radius: 4px;
    margin-bottom: 10px;
    overflow: hidden;
    border: 1px solid #ddd;
}

.float {
    background: url(../images/float.png) no-repeat;
    height: 152px;;
    width: 37px;
    position: fixed;
    right: 0;
    top: 100px;
}